Not Just Decoration: Quality Graphics for the Web. - Chris Lilley (World Wide Web J., 1996)

Network Performance Effects of HTTP/1.1, CSS1, and PNG. - Henrik Frystyk Nielsen; James Gettys; Anselm Baird-Smith; Eric Prud'hommeaux; Håkon Wium Lie; Chris Lilley (SIGCOMM, 1997)

The text/css Media Type. - Håkon Wium Lie; Bert Bos; Chris Lilley (RFC, 1998)

XML Media Types. - Henry S. Thompson; Chris Lilley (RFC, 2014)

The "font" Top-Level Media Type. - Chris Lilley (RFC, 2017)